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'Planet Y' theory hints at hidden Earth-size world lurking in the solar system — and it could be much closer to us than 'Planet Nine'
A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth ...
Space.com on MSN
Scientists discover 1st evidence of 4.5-billion-year-old 'proto-Earth' buried deep within our planet
Roughly 4.5 billion years ago, the young solar system was a swirling cloud of gas and dust that formed the first asteroids ...
Astronomers might be close to confirming the presence of an Earth-like atmosphere on an exoplanet for the first time, if more detailed analyses verify preliminary observations from the James Webb ...
Astronomers have taken a huge leap towards discovering habitable worlds, and the world now eagerly anticipates a rocky planet orbiting a faint star 40 light-years from home. Scientists are homing in ...
NASA has discovered Saturn's moon Titan can mix molecules in ways previously thought impossible, shedding light on origins-of ...
When you buy through links on our articles, Future and its syndication partners may earn a commission. An illustration of an asteroid orbiting the sun alongside Earth, much like the potential new ...
The Habitable Worlds Observatory is poised to tell us whether Earth-like planets are common—if it can get off the ground ...
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